Content Writing
LanguageTool Review: Features, Pricing & Use Cases
AI grammar, spelling and style checker for 30+ languages, with a paraphraser, browser add-ons and an API.
Key features
- Grammar, spelling and punctuation check Checks text for grammar, spelling and punctuation errors across many languages.
- AI paraphraser Rephrases sentences to be more formal, fluent, simple or concise.
- Style checking Detects overused phrases, redundant words and improper word choice.
- Team style guide Custom rules defining tone and writing style for team members.
- Team dictionary Shared custom words and phrases that are not flagged as errors.
- Proofreading API HTTP API returning JSON for grammar, style and spelling checks.
What marketers use it for
- Proofread emails, blog posts and social posts before publishing
- Keep team copy consistent with a shared tone and style guide
Pricing plans
- Premium $69.90 /year
- Teams $66.40 /year per user per year; 2 users shown as $132.80/year
Capabilities and integrations
Does
Works with
Sources
Every fact on this page was taken from these pages of the official site. "Not listed" means the site didn't publish it on the pages we checked.
- languagetool.org October 2, 2026
- languagetool.org/premium October 2, 2026
- languagetool.org/business October 2, 2026
- languagetool.org/proofreading-api October 2, 2026
Other content writing tools
- AI Summarizer (Summarizer.org) summarizer.org Online AI tool that summarizes text, URLs and images, plus other writing generators such as product descriptions. Free plan from $7/mo high
- DeepL deepl.com AI translation platform for text, files and voice in 100+ languages, with an API. Free plan from €7.49/mo high
- Ginger gingersoftware.com AI writing assistant that corrects grammar and spelling, rephrases sentences, and translates text via browser and desktop apps. Free plan high
- Glarity glarity.app Browser extension that summarizes YouTube videos, web pages and PDFs and translates web pages. Free plan from $7.49/mo high
- GPTZero gptzero.me AI content detector that scans text for AI-generated writing, checks for plagiarism, and gives grammar and writing-quality feedback. Free plan from $12.99/mo high